Human dipeptidyl peptidase III regulates G-protein coupled receptor-dependent Ca2+ concentration in human embryonic kidney 293T cells.
[No authors listed]
摘要
The precise biological function of human dipeptidyl peptidase III (hDPP III) is poorly understood. Using luciferase reporter constructs responsive to change in Ca2+ and/or cAMP and Fura 2-AM fluorometric assay, we show a significant decrease in intracellular Ca2+ following hDPP III overexpression and angiotensin II stimulation in angiotensin II type 1 receptor (G-protein coupled receptor, GPCR) expressing HEK293T cells. Silencing the expression of hDPP III by siRNA reversed the effect of hDPP III overexpression with a concomitant increase in Ca2+. These results, for the first time, show involvement of hDPP III in GPCR dependent Ca2+ regulation in HEK293T cells.
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基因功能
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原始数据
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文献解读
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